Stackable bar stool



FIG. 1 is a perspective view of our stackable bar stool;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view, the right side view being a mirror image thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

An optional raised back and raised sides are shown in broken line in FIGS. 1 through 4 and form no part of the claimed design. 

CLAIM The ornamental design for a stackable bar stool, as shown and described. 